EP1642862A1 - Container with pressurized CO2-gas source - Google Patents

Container with pressurized CO2-gas source Download PDF

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Publication number
EP1642862A1
EP1642862A1 EP05020984A EP05020984A EP1642862A1 EP 1642862 A1 EP1642862 A1 EP 1642862A1 EP 05020984 A EP05020984 A EP 05020984A EP 05020984 A EP05020984 A EP 05020984A EP 1642862 A1 EP1642862 A1 EP 1642862A1
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EP
European Patent Office
Prior art keywords
pressure
container
container according
piercing
cartridge
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP05020984A
Other languages
German (de)
French (fr)
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EP1642862B1 (en
Inventor
Kurt Oberhofer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Oberhofer Timm
Original Assignee
Oberhofer Timm
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE102004047252A external-priority patent/DE102004047252A1/en
Priority to AT05020984T priority Critical patent/ATE385996T1/en
Priority to DE502005002810T priority patent/DE502005002810D1/en
Priority to ES05020984T priority patent/ES2302547T3/en
Priority to PL05020984T priority patent/PL1642862T3/en
Priority to EP05020984A priority patent/EP1642862B1/en
Priority to DK05020984T priority patent/DK1642862T3/en
Application filed by Oberhofer Timm filed Critical Oberhofer Timm
Publication of EP1642862A1 publication Critical patent/EP1642862A1/en
Priority to CA2628631A priority patent/CA2628631C/en
Priority to PCT/EP2006/005090 priority patent/WO2006128654A1/en
Priority to US11/921,539 priority patent/US8251257B2/en
Priority to JP2008513995A priority patent/JP2008545932A/en
Priority to CN2006800194867A priority patent/CN101277896B/en
Publication of EP1642862B1 publication Critical patent/EP1642862B1/en
Application granted granted Critical
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00—Apparatus or devices for dispensing beverages on draught
    • B67D1/04—Apparatus utilising compressed air or other gas acting directly or indirectly on beverages in storage containers
    • B67D1/0412—Apparatus utilising compressed air or other gas acting directly or indirectly on beverages in storage containers the whole dispensing unit being fixed to the container
    • B67D1/0418—Apparatus utilising compressed air or other gas acting directly or indirectly on beverages in storage containers the whole dispensing unit being fixed to the container comprising a CO2 cartridge for dispensing and carbonating the beverage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00—Apparatus or devices for dispensing beverages on draught
    • B67D1/08—Details
    • B67D1/12—Flow or pressure control devices or systems, e.g. valves, gas pressure control, level control in storage containers
    • B67D1/1252—Gas pressure control means, e.g. for maintaining proper carbonation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0311—Closure means
    • F17C2205/032—Closure means pierceable
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/07—Applications for household use
    • F17C2270/0736—Capsules, e.g. CO2

Definitions

  • the invention relates to a container which can be filled with liquid and sealed pressure-tight and removed from the liquid.
  • containers are barrels, small barrels (party kegs) or cans in which CO 2 -containing liquids, in particular drinks, are filled under pressure. It's all about party kegs for beer.
  • party kegs for beer which have an integrated tap in the bottom area of the barrel through which the removal of the beer takes place solely by the internal pressure and gravity.
  • the party keg is vented above the liquid level therein to provide pressure equalization. This can be done by piercing with a can opener.
  • party kegs for beer with an integrated tap and a hand-operated vent valve in the barrel top, which is part of a bunghole closure see WO 99/23 008 A1).
  • a disadvantage of these party kegs is that the accessibility of air in the headspace of the barrel, the digestibility and shelf life of the beer is impaired. The contents of a partially opened party keg of this kind must be consumed quickly, so that the beer does not stand out and become stale.
  • a CO 2 dispenser for party kegs in the form of a separate hand-held device is known, with which the party keg is pierced above the liquid level in order to discharge CO 2 into the headspace of the keg.
  • the dispenser has a CO 2 high pressure cartridge and a pressure control valve. It is intended for multiple use and can be implemented from party keg to party keg. Although CO 2 consumption may be lower than that of a CO 2 dispenser, such CO 2 dispensers in consumer circles ultimately face similar concerns.
  • the pressure bag consists of multilayer, oxygen-impermeable plastic film. He has several chambers containing gas-evolving chemicals, such as baking soda and citric acid. Depending on the pressure drop in the headspace of the keg, the chambers are successively activated and inflated by the gas evolving during the reaction of the chemicals.
  • a disadvantage of the known pressure bag is the unsteady pressure on the beer.
  • the pressure increases abruptly when the next chamber of the pressure bag is activated, and then it drops gradually. This is reflected in an irregular Zapf .
  • the tapping behavior varies between taking the beer out with a powerful jet and a mere trickle.
  • the container has an insert that can be sealed under seal in an opening of the container and a CO 2 -Hochdruckpatrone, a pressure control valve for outputting CO 2 thereof and an externally accessible actuator, by the operation of piercing the CO 2 high-pressure cartridge leaves.
  • the insert is suitable to replace the bung closure with pressure equalization valve according to WO 99/23 008 A1, without having to be substantially changed in shape and size of each container to be equipped, for example, party beer keg.
  • the processes at a bottling plant change at most slightly.
  • the insert can be made of plastic materials that have been proven for a bunghole closure with pressure balance valve and a drain cock for some time well.
  • the operation of the CO 2 -pressure gas source can be designed so that a with the user familiar with the operation of a conventional pressure balance valve hardly notices a difference.
  • the user has no direct contact with a high-pressure CO 2 cartridge that he may not be comfortable with.
  • the cartridge is intended for single use in a single container and will be disposed of with it.
  • its durability is extended by filling the headspace with CO 2 instead of air for easy hand several days.
  • CO 2 cartridges in a suitable size for the CO 2 source of pressurized gas of the insert contain about 16 grams of CO 2 under a pressure of about 80 bar.
  • the pressure is typically between 0.5 and 0.9 bar. It is equal to or slightly higher than the partial pressure of dissolved in the liquid CO 2 .
  • the CO 2 content is decisive for the taste.
  • the CO 2 content varies from beer to beer. If the CO 2 pressure in the headspace of the keg is too low, CO 2 escapes from the beer. If the CO 2 pressure in the headspace is too high, overcarbonation of the beer takes place, which affects its taste and wholesomeness.
  • the CO 2 compressed gas source described in European Patent Application No. 05 01 18 96.7 ensures that neither the one nor the other happens.
  • the actuator upon actuation of which the high-pressure CO 2 cartridge is pierced, is in the container according to the European patent application no. 05 01 18 96.7 a knob which cooperates with an axially guided slide, with which can actuate a piercing needle.
  • the piercing needle is structurally combined with a valve member of the pressure regulating valve. In its control function can be intervened undesirably, when the user presses the knob again. Although this is completely superfluous, in the container according to the European patent application no. 05 01 18 96.7 but not excluded.
  • the object of the invention is to secure the known from European Patent Application no. 05 01 18 96.7 container against manipulation of the actuator of the insert, so that can not interfere with the control function of the pressure control valve.
  • This object is achieved in that the actuator of the insert after initial actuation is automatically locked and blocked against repeated actuation.
  • the actuator is a knob which cooperates with an axially guided slide with which a piercing needle for piercing the CO 2 high-pressure cartridge can be actuated.
  • the knob is blocked by the slider.
  • the knob screws against the slide, so that the slider is axially adjusted by turning the knob.
  • the piercing needle is carried along by the slide axially.
  • the slider on the rotary knob springs back axially. The slider engages the knob and blocks the latter against repeated actuation.
  • the piercing needle is structurally combined with a valve member of the pressure regulating valve, which can be adjusted axially between a sealing position and a passage position on a valve seat of the pressure regulating valve. The slider jumps back from the piercing needle.
  • the slide comes when piercing the CO 2 high-pressure cartridge end face against face with the piercing needle in flush contact.
  • the piercing needle immediately before piercing takes a sealing position directly behind the valve seat of the pressure regulating valve.
  • the container has a sealed chamber in which the CO 2 high-pressure cartridge with the head to the opening of the container has snug fit.
  • the tight closure of the chamber is preferred for reasons of hygiene.
  • the CO 2 high pressure cartridge is at its neck of small diameter over the circumference against the wall of the Chamber sealed. As a result, the axial forces are limited, which is subject to the cartridge during piercing.
  • the insert occupies an upper opening of the container.
  • the CO 2 from the CO 2 high-pressure cartridge can be dispensed both into a headspace of the container above the liquid level in it, as well as via a check valve directly into the liquid.
  • the opening occupied by the insert is a bunghole through which the container is filled with liquid.
  • the insert acts as a bunghole closure.
  • the CO 2 from the CO 2 high-pressure cartridge can be dispensed directly into the headspace of the container or in the liquid itself. But it is also possible to connect a pressure bag to the insert.
  • the pressure bag is applied by applying vacuum to the housing of the insert and welded tightly to the housing.
  • the pressure bag comes to rest in direct contact with the housing of the insert inside the container. It is inflated by the spent CO 2 .
  • the filling pressure of the pressure bag is constant, so no pressure fluctuations and irregularities occur in Zapf .
  • the filling pressure can be set slightly higher than the partial pressure of the CO 2 dissolved in the liquid, which thus remains completely unaffected by taste.
  • the container has an outlet tap at the bottom.
  • the removal of the liquid thus takes place by internal pressure and gravity effect.
  • the CO 2 from the CO 2 high-pressure cartridge prevents a negative pressure in the headspace of the container. This is possible in the variants with and without pressure bag.
  • the container instead of the outlet tap at the top have a tap, to which a riser leads, which extends to the bottom of the container.
  • the liquid is transported by pressure of the CO 2 discharged from the CO 2 -Hochdruckpatrone toward the tap. Tapping on top of the tank is more convenient than below.
  • a discharge chute with a hose connection is provided on the outside of the tap.
  • the chimney is added to the container as a separate part. It is clipped on after pulling out the tap.
  • the CO 2 compressed gas source is designed as an insert which fits through the bunghole of a container into the container and closes the bunghole tight.
  • the source of CO 2 gas may be substituted for the Bung hole closure with pressure compensation valve according to WO 99/23 008 A1 occur.
  • the container is filled under pressure with CO 2 -containing liquid through the bunghole usually located in the middle of its topsoil. Then the bunghole is tightly sealed with the insert.
  • To remove the liquid can serve an integrated drain cock, which is located at the bottom of the bottom of the container on the side wall.
  • the liquid passes through internal pressure and gravity effect, until in the headspace of the container above the liquid level in a negative pressure is reached.
  • the CO 2 compressed gas source is activated.
  • the CO 2 compressed gas source feeds CO 2 at a pressure into the head space of the container, which corresponds to the partial pressure of the dissolved CO 2 in the liquid or slightly exceeds this partial pressure. This ensures a constant emptying of the container. There is no air in the headspace of the container.
  • the CO 2 content of the liquid remains the same.
  • the insert is of elongated-slender shape and mostly radially symmetric to a central axis. It consists mainly of plastic.
  • the plastic materials used for its production have been proven for bunghole closures and outlet cocks of relevant containers for years.
  • the two-component plastic injection molding technique offers.
  • the insert which is in the installed position and closes the bunghole of the container protrudes with a housing 10 into the container.
  • the housing 10 has at its inner end a chamber 12 for the snug-fit recording of a CO 2 high-pressure cartridge 14.
  • the cartridge 14 has its smallest diameter on a circular cylindrical neck. It is sealed here with a peripheral seal against the wall of the housing 10.
  • the inner end of the chamber 12 is closed with a lid 18 which is welded or screwed to the wall of the housing 10.
  • the housing 10 is seated outside with a circumferential collar 20 on the beaded edge of the bunghole.
  • a seal 22 is formed, with which the insert seals the bunghole.
  • the knob 24 has a steep external thread 26, with which it is screwed into a complementary internal thread of the housing 10.
  • a piercing needle 34 For piercing the CO 2 cartridge 14 is a piercing needle 34, which is structurally associated with the valve member of a pressure control valve.
  • the valve member is suspended with an elastic membrane 36 in the axial center of the housing 10.
  • the tip of the piercing needle 34 is only slightly spaced from the end face of the CO 2 cartridge 14.
  • valve seat is formed from the elastic sealing material to the housing 10.
  • the piercing needle 34 is acted upon by a slider 40 which is located between the knob 24 and the piercing needle 34.
  • the slider 40 is guided longitudinally displaceably in the housing 10. He stands with the piercing needle 34 face against face in flush contact.
  • the piercing needle 34 is guided with a central spigot 42 in a fitting opening of the slider 40.
  • Knob 24 and slide 40 are in the circumferential direction extending webs 46 in abutment. There are two opposing webs 46 are provided, which have radial end faces and a circumferential length of approximately 90 °. Between the webs 46 are Lükken, in which the webs 46 of the other part fit in the manner of a rectangular toothing. Upon actuation, the knob 24 screws against the slide 40, which is axially adjusted.
  • a helical compression spring 48 is clamped between the knob 24 and slider 40.
  • the helical compression spring 48 is located around a central, peg-shaped projection 50 on the side facing away from the piercing needle 34 outside of the slider 40 and a central, axial plunger 52 on the inside of the knob 24 around.
  • the helical compression spring 48 biases the slider 40 against the piercing needle 34.
  • the membrane 36 defines a working space downstream of the valve seat 38 of the pressure regulating valve.
  • the working space has a lateral outlet opening, in front of which an elastic O-ring 58 is located.
  • the O-ring 58 has the function of a check valve. It prevents liquid from entering the insert.
  • the knob 24 is rotated by approximately 90 °.
  • the slider 40 is adjusted by the screw feed of the knob 24 axially inwards.
  • the piercing needle 34 is taken along with elastic deformation of the membrane 36 axially inwardly.
  • the valve member lifts off the valve seat. After piercing, a very small valve area in front of the head of the CO 2 cartridge 14 filled with at high pressure CO 2.
  • the slider 40 After completed 90 ° rotation or over-rotation of the knob 24, the slider 40 jumps against the force of the helical compression spring 48 axially outward. He is to be actuated by the piercing needle 34, which is axially reset by the elastic re-deformation of the diaphragm 36. The helical compression spring 48 is tensioned. The pressure control valve is closed and a small amount of high pressure CO 2 admitted into the working space. The CO 2 pressure forces on the membrane 36 contribute to the needle-actuated return spring of the slider 40 at. The slider 40 engages with its webs 46 in the complementary gaps of the knob 24, and it blocks the knob 24 against repeated actuation.
  • the further opening and closing of the pressure regulating valve is determined by an equilibrium of forces on the diaphragm 36, to which the elastic properties of the diaphragm 36, the spring constant of the helical compression spring 48 and the CO 2 pressure in the working space contribute.
  • the spring constant of the helical compression spring 48 is determining.
  • the user will activate the CO 2 source of pressurized gas when the internal pressure in the container has dropped to the point where the jet of fluid exiting through the outlet cock becomes too weak.
  • the CO 2 -pressure gas source can be readily activated even before, if the internal pressure in the container is still high. A metering of CO 2 in the headspace of the container does not take place as long as the high internal pressure on the O-ring 58 in front of the outlet port loads.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Devices For Dispensing Beverages (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Packages (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

Container comprises an insert which is fixed with a seal in an opening of the container and a carbon dioxide high pressure cartridge (14) having a pressure regulating valve for releasing carbon dioxide and an adjusting part which can be accessed from the outside. Preferred Features: A needle (34) for clipping the high pressure cartridge is combined with a valve part of the pressure regulating valve and can be adjusted between a sealing position and an outlet position on a valve seat (38) of the pressure regulating valve. The pressure regulating valve has a lateral outlet opening (56) in front of which lies an annular elastic collar (58) or O-ring.

Description

Die Erfindung betrifft einen Behälter, der mit Flüssigkeit befüllt und druckdicht verschlossen und aus dem Flüssigkeit entnommen werden kann. Beispiele für solche Behälter sind Fässer, Kleinfässer (Partyfässer) oder Dosen, in denen CO2-haltige Flüssigkeiten, insbesondere Getränke, unter Druck abgefüllt sind. Speziell geht es um Partyfässer für Bier.The invention relates to a container which can be filled with liquid and sealed pressure-tight and removed from the liquid. Examples of such containers are barrels, small barrels (party kegs) or cans in which CO 2 -containing liquids, in particular drinks, are filled under pressure. It's all about party kegs for beer.

Es gibt mit CO2―Hochdruckpatronen arbeitende Zapfarmaturen, mit denen solche Behälter angezapft werden, um mit CO2―Druck Flüssigkeit daraus zu entnehmen. Das entspricht der in der Gastronomie üblichen Zapftechnik mit CO2 aus CO2-Hochdruckflaschen, bei der eine sehr gute Bekömmlichkeit und Haltbarkeit des Biers erreicht wird.There are Zapfarmaturen working with CO 2 high-pressure cartridges, with which such containers are tapped to remove liquid with CO 2 pressure. This corresponds to the usual tapping technique in gastronomy with CO 2 from CO 2 high-pressure bottles, in which a very good digestibility and shelf life of the beer is achieved.

Es gibt jedoch Verbraucherkreise, in denen Zapfarmaturen mit CO2― Hochdruckpatronen nicht ankommen. Für nur gelegentliche Käufer von Partyfässern Bier lohnt sich die Anschaffung einer aufwendigen Zapfarmatur nicht. Es gibt auch Menschen, denen der Umgang mit CO2-Hochdruckpatronen nicht geheuer ist. Andere scheuen den Nachschubbedarf an Patronen.However, there are consumer groups in which tap fittings with CO 2 high-pressure cartridges do not arrive. For only occasional buyers of party kegs beer, the purchase of a sophisticated tap fitting is not worthwhile. There are also people who are not comfortable with handling CO 2 high-pressure cartridges. Others shy away from the need for supplies of cartridges.

Es wurden daher Partyfässer für Bier entwickelt, die im Bodenbereich des Fasses einen integrierten Auslaufhahn haben, über den die Entnahme des Biers allein durch den Innendruck und die Schwerkraft erfolgt. Üblicherweise wird das Partyfaß oberhalb des Flüssigkeitspegels darin belüftet, um einen Druckausgleich herbeizuführen. Das kann durch Anstechen mit einem Dosenöffner geschehen. Es gibt aber auch Partyfässer für Bier mit einem integrierten Auslaufhahn und einem handbetätigten Belüftungsventil im Faßoberboden, das Teil eines Spundlochverschlusses ist (vgl. WO 99/23 008 A1).There were therefore developed party kegs for beer, which have an integrated tap in the bottom area of the barrel through which the removal of the beer takes place solely by the internal pressure and gravity. Usually, the party keg is vented above the liquid level therein to provide pressure equalization. This can be done by piercing with a can opener. But there are also party kegs for beer with an integrated tap and a hand-operated vent valve in the barrel top, which is part of a bunghole closure (see WO 99/23 008 A1).

Nachteilig bei diesen Partyfässern ist, daß durch den Zutritt von Luft in den Kopfraum des Fasses die Bekömmlichkeit und Haltbarkeit des Biers beeinträchtigt wird. Der Inhalt eines angebrochenen Partyfasses dieser Art muß zügig verbraucht werden, damit das Bier nicht absteht und schal wird.A disadvantage of these party kegs is that the accessibility of air in the headspace of the barrel, the digestibility and shelf life of the beer is impaired. The contents of a partially opened party keg of this kind must be consumed quickly, so that the beer does not stand out and become stale.

Es gibt verschiedene Ansätze, die Haltbarkeit des Biers in einem angebrochenen Partyfaß zu verbessern. So ist es aus der WO 99/47 451 A1 bekannt, eine Aerosoldose, die an Aktivkohle gebundenes CO2 unter Niederdruck enthält, in das Partyfaß zu integrieren und in dem Kopfraum des Fasses einen CO2-Druck aufzubauen, der den Partialdruck des in dem Bier gelösten CO2 egalisiert oder übersteigt. Nachteilig ist das große Volumen der Dose. Auch ist Aktivkohle ein recht aufwendiges Speichermedium.There are various approaches to improving the shelf life of the beer in a partially opened party keg. So it is from WO 99/47 451 A1 It is known to integrate an aerosol can containing CO 2 bound to activated carbon under low pressure into the party keg and to build up a CO 2 pressure in the head space of the keg which equalizes or exceeds the partial pressure of the CO 2 dissolved in the beer. The disadvantage is the large volume of the can. Activated carbon is also a rather expensive storage medium.

Aus der DE 199 52 379 A1 ist ein CO2-Spender für Partyfässer in Form eines separaten Handgeräts bekannt, mit dem das Partyfaß oberhalb des Flüssigkeitspegels darin angestochen wird, um CO2 in den Kopfraum des Fasses auszugeben. Der Spender weist eine CO2―Hochdruckpatrone und ein Druckregelventil auf. Er ist für den Mehrfachgebrauch gedacht und läßt sich von Partyfaß zu Partyfaß umsetzen. Wenn auch der CO2-Verbrauch geringer sein mag, als bei einer mit CO2 arbeitenden Zapfarmatur, begegnet ein solcher CO2-Spender in Verbraucherkreisen letztlich ähnlichen Bedenken.From DE 199 52 379 A1, a CO 2 dispenser for party kegs in the form of a separate hand-held device is known, with which the party keg is pierced above the liquid level in order to discharge CO 2 into the headspace of the keg. The dispenser has a CO 2 high pressure cartridge and a pressure control valve. It is intended for multiple use and can be implemented from party keg to party keg. Although CO 2 consumption may be lower than that of a CO 2 dispenser, such CO 2 dispensers in consumer circles ultimately face similar concerns.

Aus der Praxis ist es auch bekannt, in den Kopfraum eines Partyfasses für Bier einen Druckbeutel einzulassen, der expandiert, wenn der Druck in dem Kopfraum abfällt, und dadurch zum einen den sich bildenden Hohlraum ausfüllt und zum andern einen Preßdruck auf den Flüssigkeitspegel in dem Faß ausübt, der den Partialdruck des in dem Bier gelösten CO2 übersteigt. Der Druckbeutel besteht aus mehrlagiger, sauerstoffdiffusionsdichter Kunststoff-Folie. Er hat mehrere Kammern, die Gas entwickelnde Chemikalien enthalten, beispielsweise Backpulver und Zitronensäure. Die Kammern werden je nach Druckabfall im Kopfraum des Partyfasses sukzessive aktiviert und durch das bei der Reaktion der Chemikalien sich entwickelnde Gas aufgeblasen.From practice it is also known to admit a pressure bag in the headspace of a keg for beer, which expands when the pressure in the head space drops, and thereby fills the cavity forming on the one hand and on the other a pressing pressure on the liquid level in the barrel which exceeds the partial pressure of the CO 2 dissolved in the beer. The pressure bag consists of multilayer, oxygen-impermeable plastic film. He has several chambers containing gas-evolving chemicals, such as baking soda and citric acid. Depending on the pressure drop in the headspace of the keg, the chambers are successively activated and inflated by the gas evolving during the reaction of the chemicals.

Nachteilig bei dem bekannten Druckbeutel ist die unstetige Druckausübung auf das Bier. Der Druck steigt sprunghaft an, wenn die jeweils nächste Kammer des Druckbeutels aktiviert wird, und er fällt dann sukzessive ab. Das schlägt sich in einem unregelmäßigen Zapfverhalten nieder. Das Zapfverhalten schwankt zwischen einer Entnahme des Biers mit einem kräftigen Strahl und einem bloßen Tröpfeln.A disadvantage of the known pressure bag is the unsteady pressure on the beer. The pressure increases abruptly when the next chamber of the pressure bag is activated, and then it drops gradually. This is reflected in an irregular Zapfverhalten. The tapping behavior varies between taking the beer out with a powerful jet and a mere trickle.

Mit der europäischen Patentanmeldung Nr. 05 01 18 96.7 wird der Ansatz verfolgt, einen Behälter der eingangs genannten Art mit einer integrierten CO2-Druckgasquelle von geringem Bauvolumen zu schaffen, aus der ausgegebenes CO2 einen stetigen Druck auf die Flüssigkeit in dem Behälter ausübt und deren Haltbarkeit und Bekömmlichkeit verbessert. Der Behälter hat einen Einsatz, der sich unter Abdichtung in einer Öffnung des Behälters festlegen läßt und eine CO2-Hochdruckpatrone, ein Druckregelventil zum Ausgeben von CO2 daraus und ein von außen zugängliches Stellglied aufweist, durch dessen Betätigung sich die CO2-Hochdruckpatrone anstechen läßt.With the European patent application no. 05 01 18 96.7 the approach is pursued to provide a container of the type mentioned with an integrated CO 2 -Druckgasquelle of low volume, from the issued CO 2 a steady pressure on the liquid in the container and exercises their durability and wholesomeness improved. The container has an insert that can be sealed under seal in an opening of the container and a CO 2 -Hochdruckpatrone, a pressure control valve for outputting CO 2 thereof and an externally accessible actuator, by the operation of piercing the CO 2 high-pressure cartridge leaves.

Dank seines geringen Bauvolumens ist der Einsatz geeignet, den Spundlochverschluß mit Druckausgleichsventil nach der WO 99/23 008 A1 zu ersetzen, ohne daß an Form und Größe des damit jeweils zu bestückenden Behälters, beispielsweise Party-Bierfasses, etwas wesentlich geändert werden müßte. Die Abläufe an einer Abfüllanlage ändern sich allenfalls geringfügig. Der Einsatz kann aus Kunststoffmaterialien hergestellt werden, die für einen Spundlochverschluß mit Druckausgleichsventil und einen Auslaufhahn seit geraumer Zeit bestens bewährt sind. Auch die Bedienung der CO2-Druckgasquelle kann so gestaltet werden, daß ein mit der Betätigung eines herkömmlichen Druckausgleichsventils vertrauter Benutzer kaum einen Unterschied merkt. Der Benutzer hat keinen direkten Umgang mit einer CO2-Hochdruckpatrone, die ihm vielleicht nicht geheuer ist. Die Patrone ist für den Einmalgebrauch in einem einzigen Behälter bestimmt und wird zusammen mit diesem entsorgt. Speziell bei Bier in einem angezapften Partyfaß wird dessen Haltbarkeit durch Auffüllen des Kopfraums mit CO2 statt Luft um leichterhand mehrere Tage verlängert.Thanks to its low construction volume, the insert is suitable to replace the bung closure with pressure equalization valve according to WO 99/23 008 A1, without having to be substantially changed in shape and size of each container to be equipped, for example, party beer keg. The processes at a bottling plant change at most slightly. The insert can be made of plastic materials that have been proven for a bunghole closure with pressure balance valve and a drain cock for some time well. The operation of the CO 2 -pressure gas source can be designed so that a with the user familiar with the operation of a conventional pressure balance valve hardly notices a difference. The user has no direct contact with a high-pressure CO 2 cartridge that he may not be comfortable with. The cartridge is intended for single use in a single container and will be disposed of with it. Especially with beer in a tapped party keg its durability is extended by filling the headspace with CO 2 instead of air for easy hand several days.

Handelsübliche anstechbare CO2-Patronen in einer für die CO2-Druckgasquelle des Einsatzes geeigneten Größe enthalten ca. 16 g CO2 unter einem Druck von ca. 80 Bar. Die Minderung und die präzise Regelung des Drucks, unter dem das in den Kopfraum des Behälters ausgegebene CO2 steht, stellt an die Konstruktion einer CO2-Druckgasquelle in Form eines kompakten Einsatzes erhebliche Anforderungen. Der Druck liegt typischerweise zwischen 0,5 und 0,9 Bar. Er ist gleich oder geringfügig höher als der Partialdruck des in der Flüssigkeit gelösten CO2.Commercially available coatable CO 2 cartridges in a suitable size for the CO 2 source of pressurized gas of the insert contain about 16 grams of CO 2 under a pressure of about 80 bar. The reduction and precise control of the pressure at which the headspace of the Container issued CO 2 is, to the construction of a CO 2 compressed gas source in the form of a compact insert considerable requirements. The pressure is typically between 0.5 and 0.9 bar. It is equal to or slightly higher than the partial pressure of dissolved in the liquid CO 2 .

Speziell bei Bier ist der CO2-Gehalt für den Geschmack mitbestimmend. Der CO2-Gehalt variiert von Biersorte zu Biersorte. Ist der CO2-Druck im Kopfraum des Partyfasses zu niedrig, so entweicht CO2 aus dem Bier. Ist der CO2-Druck im Kopfraum zu hoch, findet eine Überkarbonatisierung des Biers statt, durch die dessen Geschmack und Bekömmlichkeit beeinträchtigt werden. Die in der europäischen Patentanmeldung Nr. 05 01 18 96.7 beschriebene CO2―Druckgasquelle stellt sicher, daß weder das eine, noch das andere geschieht.Especially with beer, the CO 2 content is decisive for the taste. The CO 2 content varies from beer to beer. If the CO 2 pressure in the headspace of the keg is too low, CO 2 escapes from the beer. If the CO 2 pressure in the headspace is too high, overcarbonation of the beer takes place, which affects its taste and wholesomeness. The CO 2 compressed gas source described in European Patent Application No. 05 01 18 96.7 ensures that neither the one nor the other happens.

Das Stellglied, bei dessen Betätigung die CO2-Hochdruckpatrone angestochen wird, ist bei dem Behälter nach der europäischen Patentanmeldung Nr. 05 01 18 96.7 ein Drehknopf, der mit einem axial geführten Schieber zusammenwirkt, mit dem sich eine Anstechnadel betätigen läßt. Die Anstechnadel ist mit einem Ventilglied des Druckregelventils baulich vereinigt. In dessen Regelfunktion kann unerwünschterweise eingegriffen werden, wenn der Benutzer den Drehknopf abermals betätigt. Das ist zwar völlig überflüssig, bei dem Behälter nach der europäischen Patentanmeldung Nr. 05 01 18 96.7 aber nicht ausgeschlossen.The actuator, upon actuation of which the high-pressure CO 2 cartridge is pierced, is in the container according to the European patent application no. 05 01 18 96.7 a knob which cooperates with an axially guided slide, with which can actuate a piercing needle. The piercing needle is structurally combined with a valve member of the pressure regulating valve. In its control function can be intervened undesirably, when the user presses the knob again. Although this is completely superfluous, in the container according to the European patent application no. 05 01 18 96.7 but not excluded.

Aufgabe der Erfindung ist es, den aus der europäischen Patentanmeldung Nr. 05 01 18 96.7 bekannten Behälter gegen Manipulationen am Stellglied des Einsatzes zu sichern, so daß in die Regelfunktion des Druckregelventils nicht eingegriffen werden kann.The object of the invention is to secure the known from European Patent Application no. 05 01 18 96.7 container against manipulation of the actuator of the insert, so that can not interfere with the control function of the pressure control valve.

Gelöst wird diese Aufgabe dadurch, daß das Stellglied des Einsatzes nach erstmaliger Betätigung automatisch verriegelbar und gegen abermalige Betätigung blockierbar ist.This object is achieved in that the actuator of the insert after initial actuation is automatically locked and blocked against repeated actuation.

Bei einer bevorzugten Ausführungsform ist das Stellglied ein Drehknopf, der mit einem axial geführten Schieber zusammenwirkt, mit dem sich eine Anstechnadel zum Anstechen der CO2-Hochdruckpatrone betätigen läßt. Der Drehknopf wird durch den Schieber blockiert.In a preferred embodiment, the actuator is a knob which cooperates with an axially guided slide with which a piercing needle for piercing the CO 2 high-pressure cartridge can be actuated. The knob is blocked by the slider.

Bei einer bevorzugten Ausführungsform schraubt sich der Drehknopf gegen den Schieber vor, so daß durch Drehen des Drehknopfs der Schieber axial verstellt wird. Die Anstechnadel wird von dem Schieber axial mitgenommen. Nach Überschreitung eines vorgegebenen Drehwinkels zum Anstechen der CO2-Hochdruckpatrone springt der Schieber an dem Drehknopf axial zurück. Der Schieber rastet an dem Drehknopf ein und blokkiert letzteren gegen abermalige Betätigung.In a preferred embodiment, the knob screws against the slide, so that the slider is axially adjusted by turning the knob. The piercing needle is carried along by the slide axially. After exceeding a predetermined angle of rotation for When the CO 2 high-pressure cartridge is pierced, the slider on the rotary knob springs back axially. The slider engages the knob and blocks the latter against repeated actuation.

Bei einer bevorzugten Ausführungsform ist die Anstechnadel mit einem Ventilglied des Druckregelventils baulich vereinigt, das sich zwischen einer Dichtstellung und einer Durchlaßstellung an einem Ventilsitz des Druckregelventils axial verstellen läßt. Der Schieber springt von der Anstechnadel betätigt zurück.In a preferred embodiment, the piercing needle is structurally combined with a valve member of the pressure regulating valve, which can be adjusted axially between a sealing position and a passage position on a valve seat of the pressure regulating valve. The slider jumps back from the piercing needle.

Bei einer bevorzugten Ausführungsform kommt der Schieber beim Anstechen der CO2-Hochdruckpatrone Stirnfläche gegen Stirnfläche mit der Anstechnadel in bündige Anlage.In a preferred embodiment of the slide comes when piercing the CO 2 high-pressure cartridge end face against face with the piercing needle in flush contact.

Bei einer bevorzugten Ausführungsform nimmt die Anstechnadel unmittelbar vor dem Anstechen eine Dichtstellung direkt hinter dem Ventilsitz des Druckregelventils ein. Dadurch ist das Volumen des Ventilraums, der nach dem Anstechen der CO2-Hochdruckpatrone von deren Maximaldruck beaufschlagt ist, sehr klein.In a preferred embodiment, the piercing needle immediately before piercing takes a sealing position directly behind the valve seat of the pressure regulating valve. As a result, the volume of the valve chamber, which is acted upon by the puncture of the CO 2 high-pressure cartridge of the maximum pressure, very small.

Bei einer bevorzugten Ausführungsform hat der Behälter eine dicht abgeschlossene Kammer, in der die CO2―Hochdruckpatrone mit dem Kopf zu der Öffnung des Behälters hin Paßsitz hat. Der dichte Abschluß der Kammer ist aus Hygienegründen bevorzugt.In a preferred embodiment, the container has a sealed chamber in which the CO 2 high-pressure cartridge with the head to the opening of the container has snug fit. The tight closure of the chamber is preferred for reasons of hygiene.

Bei einer bevorzugten Ausführungsform ist die CO2―Hochdruckpatrone an ihrem Hals geringen Durchmessers über den Umfang gegen die Wand der Kammer abgedichtet. Dadurch sind die axialen Kräfte begrenzt, denen die Patrone beim Anstechen unterliegt.In a preferred embodiment, the CO 2 high pressure cartridge is at its neck of small diameter over the circumference against the wall of the Chamber sealed. As a result, the axial forces are limited, which is subject to the cartridge during piercing.

Bei einer bevorzugten Ausführungsform nimmt der Einsatz eine obere Öffnung des Behälters ein. Das CO2 aus der CO2-Hochdruckpatrone kann sowohl in einen Kopfraum des Behälters oberhalb des Flüssigkeitspegels darin, als auch über ein Rückschlagventil direkt in die Flüssigkeit ausgegeben werden.In a preferred embodiment, the insert occupies an upper opening of the container. The CO 2 from the CO 2 high-pressure cartridge can be dispensed both into a headspace of the container above the liquid level in it, as well as via a check valve directly into the liquid.

Bei einer bevorzugten Ausführungsform ist die Öffnung, die der Einsatz einnimmt, ein Spundloch, durch das der Behälter mit Flüssigkeit befüllt wird. Der Einsatz fungiert als Spundlochverschluß.In a preferred embodiment, the opening occupied by the insert is a bunghole through which the container is filled with liquid. The insert acts as a bunghole closure.

Das CO2 aus der CO2-Hochdruckpatrone kann unmittelbar in den Kopfraum des Behälters bzw. in die Flüssigkeit selbst ausgegeben werden. Es ist aber auch möglich, einen Druckbeutel an den Einsatz anzuschließen. Der Druckbeutel wird durch Anlegen von Vakuum an das Gehäuse des Einsatzes herangezogen und mit dem Gehäuse dicht verschweißt. Der Druckbeutel kommt in unmittelbarer Anlage mit dem Gehäuse des Einsatzes im Innern des Behälters zu liegen. Er wird durch das ausgegebene CO2 aufgeblasen. Gegenüber dem eingangs erwähnten Druckbeutel nach dem Stand der Technik ergibt sich dabei der Vorteil, daß der Fülldruck des Druckbeutels konstant ist, also keine Druckschwankungen und Unregelmäßigkeiten im Zapfverhalten eintreten. Der Fülldruck kann etwas höher eingestellt werden, als der Partialdruck des in der Flüssigkeit gelösten CO2, der dadurch geschmacksneutral gänzlich unbeeinflußt bleibt.The CO 2 from the CO 2 high-pressure cartridge can be dispensed directly into the headspace of the container or in the liquid itself. But it is also possible to connect a pressure bag to the insert. The pressure bag is applied by applying vacuum to the housing of the insert and welded tightly to the housing. The pressure bag comes to rest in direct contact with the housing of the insert inside the container. It is inflated by the spent CO 2 . Compared to the above-mentioned pressure bag according to the prior art, there is the advantage that the filling pressure of the pressure bag is constant, so no pressure fluctuations and irregularities occur in Zapfverhalten. The filling pressure can be set slightly higher than the partial pressure of the CO 2 dissolved in the liquid, which thus remains completely unaffected by taste.

Bei der Variante mit dem Druckbeutel kann statt CO2 auch ein anderes Druckgas aus einer Hochdruckpatrone zum Einsatz kommen.In the variant with the pressure bag, instead of CO 2 , another compressed gas from a high-pressure cartridge can also be used.

Bei einer bevorzugten Ausführungsform hat der Behälter unten einen Auslaufhahn. Die Entnahme der Flüssigkeit damit erfolgt durch Innendruck und Schwerkraftwirkung. Das CO2 aus der CO2-Hochdruckpatrone verhindert, daß im Kopfraum des Behälters ein Unterdruck entsteht. Das ist in den Varianten mit und ohne Druckbeutel möglich.In a preferred embodiment, the container has an outlet tap at the bottom. The removal of the liquid thus takes place by internal pressure and gravity effect. The CO 2 from the CO 2 high-pressure cartridge prevents a negative pressure in the headspace of the container. This is possible in the variants with and without pressure bag.

In der Variante mit dem Druckbeutel kann der Behälter statt des Auslaufhahns oben einen Zapfhahn haben, zu dem eine Steigleitung führt, die bis an den Boden des Behälters reicht. Die Flüssigkeit wird durch Druck des aus der CO2―Hochdruckpatrone ausgegebenen CO2 hin zu dem Zapfhahn befördert. Das Zapfen oben am Behälter ist bequemer, als unten.In the variant with the pressure bag, the container instead of the outlet tap at the top have a tap, to which a riser leads, which extends to the bottom of the container. The liquid is transported by pressure of the CO 2 discharged from the CO 2 -Hochdruckpatrone toward the tap. Tapping on top of the tank is more convenient than below.

Bei einer bevorzugten Ausführungsform ist außen an dem Zapfhahn ein Auslaufküken mit einem Schlauchanschluß vorgesehen. Das Auslaufküken ist dem Behälter als separates Teil beigegeben. Es wird nach Herausziehen des Zapfhahns darauf aufgeklipst.In a preferred embodiment, a discharge chute with a hose connection is provided on the outside of the tap. The chimney is added to the container as a separate part. It is clipped on after pulling out the tap.

Die Erfindung wird im folgenden anhand eines in der Zeichnung dargestellten Ausführungsbeispiels näher erläutert. Die einzige Abbildung zeigt eine CO2―Druckgasquelle im Längsschnitt.The invention will be explained in more detail below with reference to an embodiment shown in the drawing. The only figure shows a CO 2 source of compressed gas in longitudinal section.

Die CO2―Druckgasquelle ist als Einsatz ausgebildet, der durch das Spundloch eines Behälters hindurch in den Behälter paßt und das Spundloch dicht verschließt. Die CO2-Druckgasquelle kann an die Stelle des Spundlochverschlusses mit Druckausgleichsventil nach der WO 99/23 008 A1 treten.The CO 2 compressed gas source is designed as an insert which fits through the bunghole of a container into the container and closes the bunghole tight. The source of CO 2 gas may be substituted for the Bung hole closure with pressure compensation valve according to WO 99/23 008 A1 occur.

Der Behälter wird durch das üblicherweise in der Mitte seines Oberbodens befindliche Spundloch unter Druck mit CO2-haltiger Flüssigkeit befüllt. Sodann wird das Spundloch mit dem Einsatz dicht verschlossen. Zur Entnahme der Flüssigkeit kann ein integrierter Auslaufhahn dienen, der sich auf Unterbodenhöhe des Behälters an dessen Seitenwand befindet. Die Flüssigkeit läuft durch Innendruck und Schwerkraftwirkung aus, bis im Kopfraum des Behälters oberhalb des Flüssigkeitspegels darin ein Unterdruck erreicht ist. Diesen richtig einzustellen und geregelt aufrechtzuerhalten, wird die CO2-Druckgasquelle aktiviert. Die CO2-Druckgasquelle speist CO2 unter einem Druck in den Kopfraum des Behälters ein, der dem Partialdruck des in der Flüssigkeit gelösten CO2 entspricht oder diesen Partialdruck geringfügig übersteigt. Dadurch ist eine stetige Entleerung des Behälters gewährleistet. Es gelangt keine Luft in den Kopfraum des Behälters. Der CO2-Gehalt der Flüssigkeit bleibt gleich.The container is filled under pressure with CO 2 -containing liquid through the bunghole usually located in the middle of its topsoil. Then the bunghole is tightly sealed with the insert. To remove the liquid can serve an integrated drain cock, which is located at the bottom of the bottom of the container on the side wall. The liquid passes through internal pressure and gravity effect, until in the headspace of the container above the liquid level in a negative pressure is reached. To properly set and maintain this, the CO 2 compressed gas source is activated. The CO 2 compressed gas source feeds CO 2 at a pressure into the head space of the container, which corresponds to the partial pressure of the dissolved CO 2 in the liquid or slightly exceeds this partial pressure. This ensures a constant emptying of the container. There is no air in the headspace of the container. The CO 2 content of the liquid remains the same.

Der Einsatz ist von länglich-schlanker Form und größtenteils radialsymmetrisch zu einer zentralen Achse aufgebaut. Er besteht überwiegend aus Kunststoff. Die zu seiner Herstellung verwendeten Kunststoffmaterialien sind für Spundlochverschlüsse und Auslaufhähne einschlägiger Behälter seit Jahren bewährt. Für die Herstellung bietet sich die Zweikomponenten-Kunststoffspritzgußtechnik an.The insert is of elongated-slender shape and mostly radially symmetric to a central axis. It consists mainly of plastic. The plastic materials used for its production have been proven for bunghole closures and outlet cocks of relevant containers for years. For the production, the two-component plastic injection molding technique offers.

Der in Einbaustellung befindliche, das Spundloch des Behälters verschließende Einsatz ragt mit einem Gehäuse 10 in den Behälter hinein.The insert which is in the installed position and closes the bunghole of the container protrudes with a housing 10 into the container.

Das Gehäuse 10 hat an seinem inneren Ende eine Kammer 12 für die Paßsitz-Aufnahme einer CO2―Hochdruckpatrone 14. Der Kopf der Patrone 14, an dessen Stirnfläche sie angestochen werden kann, ist dem Spundloch zugewandt. Die Patrone 14 hat ihren kleinsten Durchmesser an einem kreiszylindrischen Hals. Sie ist hier mit einer umlaufenden Dichtung gegen die Wand des Gehäuses 10 abgedichtet.The housing 10 has at its inner end a chamber 12 for the snug-fit recording of a CO 2 high-pressure cartridge 14. The head of the cartridge 14, on whose end face it can be pierced, faces the bunghole. The cartridge 14 has its smallest diameter on a circular cylindrical neck. It is sealed here with a peripheral seal against the wall of the housing 10.

Das innere Ende der Kammer 12 ist mit einem Deckel 18 verschlossen, der mit der Wand des Gehäuses 10 verschweißt oder verschraubt ist.The inner end of the chamber 12 is closed with a lid 18 which is welded or screwed to the wall of the housing 10.

Das Gehäuse 10 sitzt außen mit einem umlaufenden Kragen 20 auf dem Bördelrand des Spundlochs auf. An den Kragen 20 ist eine Dichtung 22 angeformt, mit der der Einsatz das Spundloch abdichtet.The housing 10 is seated outside with a circumferential collar 20 on the beaded edge of the bunghole. At the collar 20, a seal 22 is formed, with which the insert seals the bunghole.

Über den Kragen 20 steht nach außen ein in das Gehäuse 10 eingelassener Drehknopf 24 vor, bei dessen Betätigung die CO2-Patrone 14 angestochen wird. Der Drehknopf 24 hat ein steiles Außengewinde 26, mit dem er in ein komplementäres Innengewinde des Gehäuses 10 eingeschraubt ist.About the collar 20 is out in front of a recessed into the housing 10 knob 24, upon actuation of the CO 2 cartridge 14 is pierced. The knob 24 has a steep external thread 26, with which it is screwed into a complementary internal thread of the housing 10.

Zum Anstechen der CO2-Patrone 14 dient eine Anstechnadel 34, die mit dem Ventilglied eines Druckregelventils baulich vereinigt ist. Das Ventilglied ist mit einer elastischen Membran 36 in Achsmitte des Gehäuses 10 aufgehängt. Die Spitze der Anstechnadel 34 ist von der Stirnfläche der CO2-Patrone 14 nur wenig beabstandet.For piercing the CO 2 cartridge 14 is a piercing needle 34, which is structurally associated with the valve member of a pressure control valve. The valve member is suspended with an elastic membrane 36 in the axial center of the housing 10. The tip of the piercing needle 34 is only slightly spaced from the end face of the CO 2 cartridge 14.

Bei einer axialen Stellbewegung der Anstechnadel 34 auf die CO2-Patrone 14 hin hebt das Ventilglied von einem Ventilsitz des Druckregelventils ab. Der Ventilsitz ist aus dem elastischen Dichtmaterial an das Gehäuse 10 angeformt.In an axial adjusting movement of the piercing needle 34 on the CO 2 cartridge 14 toward the valve member lifts from a valve seat of the pressure control valve from. The valve seat is formed from the elastic sealing material to the housing 10.

Die Anstechnadel 34 wird von einem Schieber 40 beaufschlagt, der zwischen dem Drehknopf 24 und der Anstechnadel 34 liegt. Der Schieber 40 ist längsverschieblich in dem Gehäuse 10 geführt. Er steht mit der Anstechnadel 34 Stirnfläche gegen Stirnfläche in bündiger Anlage. Die Anstechnadel 34 ist mit einem zentralen Zentrieransatz 42 in einer Paßöffnung des Schiebers 40 geführt.The piercing needle 34 is acted upon by a slider 40 which is located between the knob 24 and the piercing needle 34. The slider 40 is guided longitudinally displaceably in the housing 10. He stands with the piercing needle 34 face against face in flush contact. The piercing needle 34 is guided with a central spigot 42 in a fitting opening of the slider 40.

Drehknopf 24 und Schieber 40 stehen mit in Umfangsrichtung sich erstreckenden Stegen 46 in Anlage. Es sind zwei einander gegenüberliegende Stege 46 vorgesehen, die radiale Stirnflächen und eine Umfangslänge von je ca. 90° haben. Zwischen den Stegen 46 befinden sich Lükken, in die die Stege 46 des jeweils anderen Teils nach Art einer Rechteckverzahnung passen. Bei Betätigung schraubt sich der Drehknopf 24 gegen den Schieber 40 vor, der dabei axial verstellt wird.Knob 24 and slide 40 are in the circumferential direction extending webs 46 in abutment. There are two opposing webs 46 are provided, which have radial end faces and a circumferential length of approximately 90 °. Between the webs 46 are Lükken, in which the webs 46 of the other part fit in the manner of a rectangular toothing. Upon actuation, the knob 24 screws against the slide 40, which is axially adjusted.

Zwischen Drehknopf 24 und Schieber 40 ist eine Schraubendruckfeder 48 eingespannt. Die Schraubendruckfeder 48 liegt um einen mittigen, zapfenförmigen Ansatz 50 an der der Anstechnadel 34 abgewandten Außenseite des Schiebers 40 und um einen mittigen, axialen Stößel 52 an der Innenseite des Drehknopfs 24 herum. Die Schraubendruckfeder 48 spannt den Schieber 40 gegen die Anstechnadel 34.Between the knob 24 and slider 40, a helical compression spring 48 is clamped. The helical compression spring 48 is located around a central, peg-shaped projection 50 on the side facing away from the piercing needle 34 outside of the slider 40 and a central, axial plunger 52 on the inside of the knob 24 around. The helical compression spring 48 biases the slider 40 against the piercing needle 34.

Die Membran 36 begrenzt einen Arbeitsraum stromab von dem Ventilsitz 38 des Druckregelventils. Der Arbeitsraum hat eine seitliche Auslaßöffnung, vor der ein elastischer O-Ring 58 liegt. Der O-Ring 58 hat die Funktion eines Rückschlagventils. Er verhindert, daß Flüssigkeit in den Einsatz gelangt.The membrane 36 defines a working space downstream of the valve seat 38 of the pressure regulating valve. The working space has a lateral outlet opening, in front of which an elastic O-ring 58 is located. The O-ring 58 has the function of a check valve. It prevents liquid from entering the insert.

Zum Anstechen der CO2―Patrone 14 wird der Drehknopf 24 um ca. 90° gedreht. Der Schieber 40 wird durch den Schraubenvorschub des Drehknopfs 24 axial nach innen verstellt. Die Anstechnadel 34 wird unter elastischer Verformung der Membran 36 axial nach innen mitgenommen. Das Ventilglied hebt von dem Ventilsitz ab. Nach dem Anstechen füllt sich ein sehr kleiner Ventilraum vor dem Kopf der CO2―Patrone 14 mit unter hohem Druck stehendem CO2.For piercing the CO 2 cartridge 14, the knob 24 is rotated by approximately 90 °. The slider 40 is adjusted by the screw feed of the knob 24 axially inwards. The piercing needle 34 is taken along with elastic deformation of the membrane 36 axially inwardly. The valve member lifts off the valve seat. After piercing, a very small valve area in front of the head of the CO 2 cartridge 14 filled with at high pressure CO 2.

Nach vollendeter 90°-Drehung bzw. Überdrehung des Drehknopfs 24 springt der Schieber 40 gegen die Kraft der Schraubendruckfeder 48 axial nach außen zurück. Er wird dazu von der Anstechnadel 34 betätigt, die durch die elastische Rückverformung der Membran 36 axial zurückgestellt wird. Die Schraubendruckfeder 48 wird gespannt. Das Druckregelventil wird geschlossen und eine kleine Menge von unter hohem Druck stehendem CO2 in den Arbeitsraum eingelassen. Die CO2-Druckkräfte an der Membran 36 tragen zu dem anstechnadelbetätigten Rückspringen des Schiebers 40 bei. Der Schieber 40 rastet mit seinen Stegen 46 in den komplementären Lücken des Drehknopfs 24 ein, und er blockiert den Drehknopf 24 gegen abermalige Betätigung.After completed 90 ° rotation or over-rotation of the knob 24, the slider 40 jumps against the force of the helical compression spring 48 axially outward. He is to be actuated by the piercing needle 34, which is axially reset by the elastic re-deformation of the diaphragm 36. The helical compression spring 48 is tensioned. The pressure control valve is closed and a small amount of high pressure CO 2 admitted into the working space. The CO 2 pressure forces on the membrane 36 contribute to the needle-actuated return spring of the slider 40 at. The slider 40 engages with its webs 46 in the complementary gaps of the knob 24, and it blocks the knob 24 against repeated actuation.

Das weitere Öffnen und Schließen des Druckregelventils wird durch ein Kräftegleichgewicht an der Membran 36 bestimmt, zu dem die elastischen Eigenschaften der Membran 36, die Federkonstante der Schraubendruckfeder 48 und der CO2-Druck in dem Arbeitsraum beitragen. Für den Druck des ausgegebenen CO2 ist die Federkonstante der Schraubendruckfeder 48 bestimmend.The further opening and closing of the pressure regulating valve is determined by an equilibrium of forces on the diaphragm 36, to which the elastic properties of the diaphragm 36, the spring constant of the helical compression spring 48 and the CO 2 pressure in the working space contribute. For the pressure of the output CO 2 , the spring constant of the helical compression spring 48 is determining.

Gemeinhin wird der Benutzer die CO2―Druckgasquelle aktivieren, wenn der Innendruck in dem Behälter soweit abgefallen ist, daß der Strahl der durch den Auslaufhahn austretenden Flüssigkeit zu schwach wird. Die CO2-Druckgasquelle kann aber ohne weiteres auch schon vorher aktiviert werden, wenn der Innendruck in dem Behälter noch hoch ist. Eine Eindosierung von CO2 in den Kopfraum des Behälters findet solange nicht statt, wie der hohe Innendruck auf dem O―Ring 58 vor der Auslaßöffnung lastet.Generally, the user will activate the CO 2 source of pressurized gas when the internal pressure in the container has dropped to the point where the jet of fluid exiting through the outlet cock becomes too weak. However, the CO 2 -pressure gas source can be readily activated even before, if the internal pressure in the container is still high. A metering of CO 2 in the headspace of the container does not take place as long as the high internal pressure on the O-ring 58 in front of the outlet port loads.

Liste der BezugszeichenList of reference numbers

1010
Gehäusecasing
1212
Kammerchamber
1414
CO2―HochdruckpatroneCO 2 high-pressure cartridge
1818
Deckelcover
2020
Kragencollar
2222
Dichtungpoetry
2424
Drehknopfknob
2626
Außengewindeexternal thread
3434
Anstechnadelpiercing
3636
Membranmembrane
4040
Schieberpusher
4242
ZentrieransatzSpigot
4646
Stegweb
4848
SchraubendruckfederHelical compression spring
5050
Ansatzapproach
5252
Stößeltappet
5858
O-RingO-ring

Claims (14)

Behälter, der mit Flüssigkeit befüllbar und druckdicht verschließbar und aus dem Flüssigkeit entnehmbar ist, mit einem Einsatz, der unter Abdichtung in einer Öffnung des Behälters festlegbar ist und eine CO2-Hochdruckpatrone (14), ein Druckregelventil zum Ausgeben von CO2 daraus und ein von außen zugängliches Stellglied aufweist, durch dessen Betätigung die CO2-Hochdruckpatrone (14) anstechbar ist, dadurch gekennzeichnet, daß das Stellglied nach erstmaliger Betätigung automatisch verriegelbar und gegen abermalige Betätigung blockierbar ist.A container which is filled with liquid and pressure-tight closable and removable from the liquid, with an insert which is sealed in an opening of the container and a CO 2 Hochdruckpatrone (14), a pressure regulating valve for outputting CO 2 thereof and a Having externally accessible actuator, by the operation of the CO 2 high-pressure cartridge (14) is pierceable, characterized in that the actuator is automatically locked after initial actuation and against repeated actuation blockable. Behälter nach Anspruch 1, dadurch gekennzeichnet, daß das Stellglied ein Drehknopf (24) ist, der mit einem axial geführten Schieber (40) zusammenwirkt, mit dem eine Anstechnadel (34) zum Anstechen der CO2-Hochdruckpatrone (14) betätigbar ist, und daß der Drehknopf (24) durch den Schieber (40) blockierbar ist.A container according to claim 1, characterized in that the actuator is a knob (24) which cooperates with an axially guided slide (40) with which a piercing needle (34) for piercing the CO 2 high-pressure cartridge (14) is actuated, and in that the rotary knob (24) can be blocked by the slide (40). Behälter nach Anspruch 2, dadurch gekennzeichnet, daß sich der Drehknopf (24) gegen den Schieber (40) vorschraubt, so daß durch Drehen des Drehknopfes (24) der Schieber (40) axial verstellbar ist, daß die Anstechnadel (34) von dem Schieber (40) axial mitnehmbar ist, und daß nach Überschreitung eines vorgegebenen Drehwinkels zum Anstechen der CO2―Hochdruckpatrone (14) der Schieber (40) an dem Drehknopf (24) axial zurückzuspringen, einzurasten und den Drehknopf (24) zu blockieren geeignet ist.A container according to claim 2, characterized in that the rotary knob (24) pre-screws against the slide (40), so that by turning the knob (24) of the slide (40) is axially adjustable, that the piercing needle (34) of the slider (40) is axially entrained, and that after exceeding a predetermined angle of rotation for piercing the CO 2 -Hochdruckpatrone (14) of the slide (40) on the knob (24) to spring back axially, engage and block the knob (24) is suitable. Behälter nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß die Anstechnadel (34) mit einem Ventilglied des Druckregelventils baulich vereinigt ist, das zwischen einer Dichtstellung und einer Durchlaßstellung an einem Ventilsitz des Druckregelventils axial verstellbar ist, und daß der Schieber (40) von der Anstechnadel (34) betätigt zurückspringt.A container according to claim 2 or 3, characterized in that the piercing needle (34) is structurally associated with a valve member of the pressure regulating valve, which is axially adjustable between a sealing position and a passage position on a valve seat of the pressure regulating valve, and in that the slide (40) of the Injection needle (34) actuated springs back. Behälter nach Anspruch 4, dadurch gekennzeichnet, daß der Schieber (40) beim Anstechen der CO2-Hochdruckpatrone (14) Stirnfläche gegen Stirnfläche mit der Anstechnadel (34) in bündige Anlage kommt.Container according to Claim 4, characterized in that the slide (40) comes into flush contact with the piercing needle (34) during the piercing of the high-pressure CO 2 cartridge (14). Behälter nach einem der Ansprüche 2 bis 5, dadurch gekennzeichnet, daß die Anstechnadel (34) unmittelbar vor dem Anstechen eine Dichtstellung direkt hinter dem Ventilsitz des Druckregelventils einnimmt.Container according to one of claims 2 to 5, characterized in that the piercing needle (34) occupies a sealing position directly behind the valve seat of the pressure regulating valve immediately before piercing. Behälter nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß er eine dicht abgeschlossene Kammer (12) hat, in der die CO2-Hochdruckpatrone (14) mit dem Kopf zu der Öffnung hin Paßsitz hat.A container according to any one of claims 1 to 6, characterized in that it has a sealed chamber (12) in which the CO 2 high-pressure cartridge (14) has a snug fit with the head towards the opening. Behälter nach Anspruch 7, dadurch gekennzeichnet, daß die CO2-Hochdruckpatrone (14) an ihrem Hals geringen Durchmessers über den Umfang gegen die Wand der Kammer (12) abgedichtet ist.A container according to claim 7, characterized in that the CO 2 high pressure cartridge (14) is sealed at its small diameter neck circumferentially against the wall of the chamber (12). Behälter nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß der Einsatz eine obere Öffnung des Behälters einnimmt.Container according to one of claims 1 to 8, characterized in that the insert occupies an upper opening of the container. Behälter nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß die Öffnung ein Spundloch ist, durch das der Behälter mit Flüssigkeit befüllbar ist, und daß der Einsatz als Spundlochverschluß fungiert.A container according to any one of claims 1 to 9, characterized in that the opening is a bung hole through which the container can be filled with liquid, and that the insert acts as a bunghole closure. Behälter nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß an den Einsatz ein Druckbeutel angeschlossen ist, der durch das ausgegebene CO2 aufblasbar ist.Container according to one of claims 1 to 10, characterized in that a pressure bag is connected to the insert, which is inflatable by the output CO 2 . Behälter nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß er unten einen Auslaufhahn hat.Container according to one of claims 1 to 11, characterized in that it has an outlet tap at the bottom. Behälter nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß er oben einen Zapfhahn hat, zu dem eine Steigleitung führt, die bis an den Boden des Behälters reicht.Container according to one of claims 1 to 11, characterized in that it has at the top a tap, to which a riser leads, which extends to the bottom of the container. Behälter nach Anspruch 13, dadurch gekennzeichnet, daß außen an dem Zapfhahn ein Auslaufküken mit einem Schlauchanschluß vorgesehen ist.Container according to claim 13, characterized in that a discharge chute with a hose connection is provided on the outside of the tap.
EP05020984A 2004-09-29 2005-09-27 Container with pressurized CO2-gas source Not-in-force EP1642862B1 (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
AT05020984T ATE385996T1 (en) 2004-09-29 2005-09-27 CONTAINER WITH CO2 COMPRESSED GAS SOURCE
DE502005002810T DE502005002810D1 (en) 2004-09-29 2005-09-27 Container with CO2 compressed gas source
ES05020984T ES2302547T3 (en) 2004-09-29 2005-09-27 CONTAINER WITH A CO2 PRESSURE GAS SOURCE.
PL05020984T PL1642862T3 (en) 2004-09-29 2005-09-27 Container with pressurized CO2-gas source
EP05020984A EP1642862B1 (en) 2004-09-29 2005-09-27 Container with pressurized CO2-gas source
DK05020984T DK1642862T3 (en) 2004-09-29 2005-09-27 Container with CO2 pressurized gas source
CA2628631A CA2628631C (en) 2005-06-02 2006-05-27 Vessel having co2 compressed gas source
CN2006800194867A CN101277896B (en) 2005-06-02 2006-05-27 Vessel having pressurized CO2 gas source
PCT/EP2006/005090 WO2006128654A1 (en) 2005-06-02 2006-05-27 Vessel having pressurized co2 gas source
US11/921,539 US8251257B2 (en) 2005-06-02 2006-05-27 Vessel having CO2 compressed gas source
JP2008513995A JP2008545932A (en) 2005-06-02 2006-05-27 Container with CO2 compressed gas source

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102004047252A DE102004047252A1 (en) 2004-09-29 2004-09-29 liquid container
EP05011896A EP1642861B1 (en) 2004-09-29 2005-06-02 Container with pressurized CO2-gas source
EP05020984A EP1642862B1 (en) 2004-09-29 2005-09-27 Container with pressurized CO2-gas source

Publications (2)

Publication Number Publication Date
EP1642862A1 true EP1642862A1 (en) 2006-04-05
EP1642862B1 EP1642862B1 (en) 2008-02-13

Family

ID=36778043

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05020984A Not-in-force EP1642862B1 (en) 2004-09-29 2005-09-27 Container with pressurized CO2-gas source

Country Status (11)

Country Link
US (1) US8251257B2 (en)
EP (1) EP1642862B1 (en)
JP (1) JP2008545932A (en)
CN (1) CN101277896B (en)
AT (1) ATE385996T1 (en)
CA (1) CA2628631C (en)
DE (1) DE502005002810D1 (en)
DK (1) DK1642862T3 (en)
ES (1) ES2302547T3 (en)
PL (1) PL1642862T3 (en)
WO (1) WO2006128654A1 (en)

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EP1688814A1 (en) * 2005-02-02 2006-08-09 Impress GmbH & Co. oHG Pressure reducing and regulating valve comprising puncturing mechanism for a pressurised gas cartridge attachable under a container cover
DE102007029450A1 (en) 2007-06-21 2009-01-02 Huber Packaging Group Gmbh + Co. Kg Overpressure protection for closed container

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US20130153006A1 (en) * 2011-12-15 2013-06-20 Raytheon Company Self-erecting portable photovoltaic panel system and method
CA3108995C (en) 2014-05-24 2022-08-23 GrowlerWerks, INC. Beverage dispenser and variable pressure regulator cap assembly
US9919910B2 (en) 2016-02-23 2018-03-20 John Delano Gibson Fluid pressurization and dispensing system
US11867359B2 (en) * 2016-03-08 2024-01-09 Picocyl, Llc Gas canisters and methods for making them
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US20180160706A1 (en) * 2016-12-13 2018-06-14 TR Markeing, Inc. Dry ice beverage delivery apparatus
EP3592690A1 (en) 2017-03-10 2020-01-15 Joseph Company International, Inc. Pressure regulator valve
KR102035697B1 (en) * 2017-08-02 2019-10-23 에이엠티 주식회사 Automatic gas valve switching device and method
KR102515595B1 (en) * 2017-11-16 2023-03-29 엘지전자 주식회사 Baverage maker
EP3807146A4 (en) * 2018-06-13 2022-04-06 Halkey-Roberts Corporation Disposable inflator
US11180230B2 (en) * 2018-06-13 2021-11-23 Halkey-Roberts Corporation Disposable Inflator
AU2020232296A1 (en) * 2019-03-05 2021-10-28 Joseph Company International, Inc. Pressurized beverage container system

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EP1688814A1 (en) * 2005-02-02 2006-08-09 Impress GmbH & Co. oHG Pressure reducing and regulating valve comprising puncturing mechanism for a pressurised gas cartridge attachable under a container cover
AU2006210257B2 (en) * 2005-02-02 2010-06-03 Fass-Frisch Gmbh Pressure reducing and regulating valve comprising a tapping mechanism for a pressure cartridge that can be attached underneath a receptacle cover
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Also Published As

Publication number Publication date
CN101277896A (en) 2008-10-01
JP2008545932A (en) 2008-12-18
CA2628631C (en) 2014-08-12
US8251257B2 (en) 2012-08-28
ES2302547T3 (en) 2008-07-16
WO2006128654A1 (en) 2006-12-07
ATE385996T1 (en) 2008-03-15
DK1642862T3 (en) 2008-06-09
DE502005002810D1 (en) 2008-03-27
PL1642862T3 (en) 2008-08-29
CN101277896B (en) 2013-01-23
US20090090741A1 (en) 2009-04-09
CA2628631A1 (en) 2006-12-07
EP1642862B1 (en) 2008-02-13

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